I just modified a GX Eagle gripshift to do the job...so much neater than any lever since it complements my XX1 Eagle grip shift on the right
[video]https://media.mtb-mag.com/media/videos/507ac038a80e4e0a927dc9caa3154a04-hd_xghxLUf.mp4[/video]
[video]https://media.mtb-mag.com/media/videos/507ac038a80e4e0a927dc9caa3154a04-hd_xghxLUf.mp4[/video]